Shampoo drainage tray



FIG. 1 is a perspective view of my new design taken from the top, front and right side;

FIG. 2 is a right side elevational view thereof, the left side view being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the drawings depict a part of the shampoo drainage tray that form no part of the claimed design. 

CLAIM The ornamental design for a shampoo drainage tray, as shown. 